Home / 4,187.13-5,778.95-2,419.76

Finding the Fourth Proportional to 4,187.13, 5,778.95 and 2,419.76

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Solution

The fourth proportional to 4,187.13, 5,778.95 and 2,419.76 is: 3,339.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.13 : 5,778.95 = 2,419.76 : x
  2. Step 2: Convert to fraction form
    4,187.13/5,778.95 = 2,419.76/x
  3. Step 3: Cross multiply
    4,187.13x = 5,778.95 × 2,419.76
  4. Step 4: Simplify right side
    4,187.13x = 13,983,641.89
  5. Step 5: Solve for x
    x = 13,983,641.89/4,187.13
  6. Step 6: Final answer
    x = 3,339.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.